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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 84.13
edited by Xiaoling
on 2023/09/11 15:22
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To version 84.8
edited by Xiaoling
on 2023/09/11 14:57
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... ... @@ -16,19 +16,19 @@
16 16  == 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
17 17  
18 18  
19 -The Dragino DDS20-NB is a (% style="color:blue" %)**NB-IoT Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send IoT platform via NB-IoT network.
19 +The Dragino DDS20-NB is a **NB-IoT Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the **height of liquid** in a container without opening the container, and send IoT platform via NB-IoT network.
20 20  
21 21  The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 
22 22  
23 -DDS20-NB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**, **strong acids**, **strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
23 +DDS20-NB uses **ultrasonic sensing technology** for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers.
24 24  
25 -DDS20-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.
25 +PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers.
26 26  
27 -DDS20-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.
27 +PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use.
28 28  
29 -DDS20-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to severa years.
29 +PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years.
30 30  
31 -DDS20-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
31 +PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
32 32  
33 33  
34 34  [[image:image-20230911140426-2.png||height="320" width="951"]]
... ... @@ -295,7 +295,7 @@
295 295  (% style="display:none" %)
296 296  
297 297  
298 -= 2. Use DDS20-NB to communicate with IoT Server =
298 += 2. Use S31-NB to communicate with IoT Server =
299 299  
300 300  == 2.1 Send data to IoT server via NB-IoT network ==
301 301  
... ... @@ -476,11 +476,35 @@
476 476  [[image:1692424376354-959.png]]
477 477  
478 478  
479 -== 2.5 Trggier an uplink by external interrupt ==
479 +== 2.5 Humidity and Temperature alarm function ==
480 480  
481 481  
482 -DDS20-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
482 +On each sampling define by AT+TR ( default 900s or 15 minutes), when the value exceed the range, it will trigger an Alarm and immediately sends a uplink.
483 483  
484 +
485 +(% style="color:blue" %)**AT Commands:**
486 +
487 +(% style="color:#037691" %)**AT+ SHHUM=min,max**
488 +
489 +Example: AT+ SHHUM=50,80  ~/~/ Alarm when humidity lower than 50 or higher than 80.
490 +
491 +
492 +(% style="color:#037691" %)**AT+ SHTEMP=min,max**
493 +
494 +Example: AT+ SHTEMP=20,30  ~/~/ Alarm when temperature lower than 20 or higher than 30
495 +
496 +
497 +(% style="color:red" %)**Notice:**
498 +
499 +* To disable Alarm, user can set min and max to same value , such as (% style="color:#037691" %)**AT+SHTEMP=0,0.**
500 +
501 +* If user only want to send only min or max, user can set the alarm to a value that device won’t reach. For example: (% style="color:#037691" %)**AT+SHTEMP=-80,0.**
502 +
503 +== 2.6 Trggier an uplink by external interrupt ==
504 +
505 +
506 +S31-NB has an external trigger interrupt function. Users can use the PB15 pin to trigger the upload of data packets.
507 +
484 484  (% style="color:blue" %)**AT command:**
485 485  
486 486  * (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
... ... @@ -493,12 +493,12 @@
493 493  
494 494  * (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
495 495  
496 -= 3. Configure DDS20-NB =
520 += 3. Configure S31x-NB =
497 497  
498 498  == 3.1 Configure Methods ==
499 499  
500 500  
501 -DDS20-NB supports below configure method:
525 +S31x-NB supports below configure method:
502 502  
503 503  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
504 504  
... ... @@ -587,7 +587,7 @@
587 587  = 4. Battery & Power Consumption =
588 588  
589 589  
590 -DDS20-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
614 +S31x-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
591 591  
592 592  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
593 593  
... ... @@ -622,7 +622,7 @@
622 622  = 7. Order Info =
623 623  
624 624  
625 -Part Number: (% style="color:blue" %)**DDS20-NB-XX**
649 +Part Number: (% style="color:blue" %)**S31-NB-XX  / S31B-NB-XX**
626 626  
627 627  (% style="color:red" %)**XX**(%%):
628 628  
... ... @@ -638,7 +638,7 @@
638 638  
639 639  (% style="color:#037691" %)**Package Includes**:
640 640  
641 -* DDS20-NB NB-IoT Ultrasonic liquid level sensor x 1
665 +* S31-NB or S31-NB NB-IoT Sensor Node x 1
642 642  
643 643  * External antenna x 1
644 644